Here's a slightly easier method that doesn't require a calculator
27^x = 9^4
[3 ^3]^x = [3^2]^4
[3]^(3x) = [3]^(80 and since the bases are equal, we can solve for the wxponents
3x = 8 divide both sides by 3
x = 8/3 = 2+ 2/3 = 2.6666...... [6's repeat ]
